動詞 key:

1. identify as in botany or biology, for example
   同義詞：identify, discover, key, key out, distinguish, describe, name
2. provide with a key
   同義詞：key
3. vandalize a car by scratching the sides with a key
   同義詞：key
4. regulate the musical pitch of
   同義詞：key
5. harmonize with or adjust to
   同義詞：key

1. I dropped my key somewhere about here.
   我把鑰匙掉在這附近某個(gè)地方了。
2. A stroke of a key, as on a word processor.
   按鍵(如在文字處理機(jī)上)按一下鍵